Syzbot CI

Subject	Raise BPF program stack size to 2KiB
Author	memxor@gmail.com
Date	2026-09-23 19:11:08 +0000 UTC
Version
Cc	andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com emil@etsalapatis.com kernel-team@meta.com kkd@meta.com memxor@gmail.com tj@kernel.org

Subject

Author

memxor@gmail.com

Date

2026-09-23 19:11:08 +0000 UTC

Version

andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com emil@etsalapatis.com kernel-team@meta.com kkd@meta.com memxor@gmail.com tj@kernel.org

Name	Content [All]
[PATCH bpf-next v1 01/18] bpf: Add accessors for verifier stack slots	[Body]
[PATCH bpf-next v1 02/18] bpf: Widen the stack slot index in the jump history	[Body]
[PATCH bpf-next v1 03/18] bpf: Store linked registers in the jump history as an array	[Body]
[PATCH bpf-next v1 04/18] bpf: Track backtracking stack slots with bitmaps	[Body]
[PATCH bpf-next v1 05/18] bpf: Track scratched stack slots with a bitmap	[Body]
[PATCH bpf-next v1 06/18] bpf: Treat unknown-size stack reads as reaching the frame top	[Body]
[PATCH bpf-next v1 07/18] bpf: Size liveness stack masks by the stack each frame uses	[Body]
[PATCH bpf-next v1 08/18] bpf: Grow the verifier id scratch on demand	[Body]
[PATCH bpf-next v1 09/18] selftests/bpf: Cover the tail call caller stack depth limit	[Body]
[PATCH bpf-next v1 10/18] selftests/bpf: Check that narrow stack stores define no slot	[Body]
[PATCH bpf-next v1 11/18] selftests/bpf: Check liveness merge of masks with different widths	[Body]
[PATCH bpf-next v1 12/18] bpf: Size the per-frame verifier structures for a 2 KiB stack	[Body]
[PATCH bpf-next v1 13/18] bpf: Bound program stack use by a per-program limit	[Body]
[PATCH bpf-next v1 14/18] selftests/bpf: Add load conditions on the program stack limit	[Body]
[PATCH bpf-next v1 15/18] selftests/bpf: Give the 512-byte stack boundary tests a 2 KiB twin	[Body]
[PATCH bpf-next v1 16/18] bpf, x86: Allow programs 2 KiB of stack	[Body]
[PATCH bpf-next v1 17/18] bpf, arm64: Allow programs 2 KiB of stack	[Body]
[PATCH bpf-next v1 18/18] selftests/bpf: Test the 2 KiB stack budget	[Body]

Name

Content [All]

[PATCH bpf-next v1 01/18] bpf: Add accessors for verifier stack slots

[PATCH bpf-next v1 02/18] bpf: Widen the stack slot index in the jump history

[PATCH bpf-next v1 03/18] bpf: Store linked registers in the jump history as an array

[PATCH bpf-next v1 04/18] bpf: Track backtracking stack slots with bitmaps

[PATCH bpf-next v1 05/18] bpf: Track scratched stack slots with a bitmap

[PATCH bpf-next v1 06/18] bpf: Treat unknown-size stack reads as reaching the frame top

[PATCH bpf-next v1 07/18] bpf: Size liveness stack masks by the stack each frame uses

[PATCH bpf-next v1 08/18] bpf: Grow the verifier id scratch on demand

[PATCH bpf-next v1 09/18] selftests/bpf: Cover the tail call caller stack depth limit

[PATCH bpf-next v1 10/18] selftests/bpf: Check that narrow stack stores define no slot

[PATCH bpf-next v1 11/18] selftests/bpf: Check liveness merge of masks with different widths

[PATCH bpf-next v1 12/18] bpf: Size the per-frame verifier structures for a 2 KiB stack

[PATCH bpf-next v1 13/18] bpf: Bound program stack use by a per-program limit

[PATCH bpf-next v1 14/18] selftests/bpf: Add load conditions on the program stack limit

[PATCH bpf-next v1 15/18] selftests/bpf: Give the 512-byte stack boundary tests a 2 KiB twin

[PATCH bpf-next v1 16/18] bpf, x86: Allow programs 2 KiB of stack

[PATCH bpf-next v1 17/18] bpf, arm64: Allow programs 2 KiB of stack

[PATCH bpf-next v1 18/18] selftests/bpf: Test the 2 KiB stack budget

Session 2026-09-23

Passed

ID (for dev)	01e3f66f-33ac-447c-bdfc-9ffc811bb53e
Status	finished
Triaged	OK [Log] [Trajectory]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config]		passed [Log]
[KASAN] Boot test: Base	91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config]		passed [Log]
[KASAN] Build Patched		91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config] [patched]	passed [Log]
[KASAN] Fuzz	91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config]	91f8613d95ad8cd99d8baf094806d1ef98bc6380 [Config] [patched]	passed [Log] [Artifacts]

Patches (18)

Series Summary

Sessions

Session 2026-09-23